Products Ground Resistance Tester high accuracy, fast, easy to use, especially for demanding laboratory and automatic detection of online use. New break open alarm alarm function that can be very party becomes aware whether the instrument is operating in normal test condition. New break alarm function that open alarm. Product Attributes Model RK2678X RK2678XN Test current 5 ~ 30A, 60A, 70A (AC) 5 ~ 30A (AC) Current Accuracy ± 5% ± 5% test resistance range 0 ~ 200/600MΩ 0 ~ 200/600MΩ resistance resolution 0 ~ 200MΩ: 0.1MΩ 200 ~ 600MΩ: 1MΩ 0 ~ 200MΩ: 0.1MΩ Resistance Accuracy ± 5% ± 3 digits ± 5% ± 3 digits test time setting (seconds) 0 ~ 99 seconds from 0 to 99 seconds alarm range 50 ~ 600MΩ 50 ~ 600MΩ display current, resistance, time digital display sorting function substandard sound alarm Power Requirements 200V ± 10%, 50Hz ± 5% Operating Environment 0 ℃ ~ 40 ℃, ≤ 85% RH Dimensions 320 * 270 * 180mm Weight 10kg Other Notes 1. accurate measurement of large grounding impedance grounding, grounding resistance, grounding reactance; 2. accurate measurement of large grounding field of surface potential gradient; 3. accurate measurement of large grounding contact potential difference, contact voltage, step potential difference, the step voltage; 4. accurate measurement of large grounding transfer potential; 5. deflectors measuring ground resistance; 6. measurement of soil resistivity Transaction Description EFT payments, payment and delivery.